When William Albert Nichols was born on 27 February 1867, in Missouri, United States, his father, Albert Nathan Nichols, was 35 and his mother, Eupha Jane Carman, was 37. He married Elizabeth Day in 1891, in Texas, United States. They were the parents of at least 3 sons and 2 daughters. He lived in Justice Precinct 6, Hopkins, Texas, United States for about 50 years. He died on 20 May 1934, in Pickton, Hopkins, Texas, United States, at the age of 67, and was buried in Pickton Cemetery, Pickton, Hopkins, Texas, United States.